Home / 84,153,104.70-116,111,562.12-51,112,433.58

Finding the Fourth Proportional to 84,153,104.70, 116,111,562.12 and 51,112,433.58

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Solution

The fourth proportional to 84,153,104.70, 116,111,562.12 and 51,112,433.58 is: 70,523,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,153,104.70 : 116,111,562.12 = 51,112,433.58 : x
  2. Step 2: Convert to fraction form
    84,153,104.70/116,111,562.12 = 51,112,433.58/x
  3. Step 3: Cross multiply
    84,153,104.70x = 116,111,562.12 × 51,112,433.58
  4. Step 4: Simplify right side
    84,153,104.70x = 5,934,744,506,728,544
  5. Step 5: Solve for x
    x = 5,934,744,506,728,544/84,153,104.70
  6. Step 6: Final answer
    x = 70,523,179.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.